Finding the Fourth Proportional to 369,176.76, 509,590.50 and 216,264
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Solution
The fourth proportional to 369,176.76, 509,590.50 and 216,264 is: 298,518.47
Step by Step Solution
- Step 1: Write the proportion equation
369,176.76 : 509,590.50 = 216,264 : x - Step 2: Convert to fraction form
369,176.76/509,590.50 = 216,264/x - Step 3: Cross multiply
369,176.76x = 509,590.50 × 216,264 - Step 4: Simplify right side
369,176.76x = 110,206,079,892 - Step 5: Solve for x
x = 110,206,079,892/369,176.76 - Step 6: Final answer
x = 298,518.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.